String str= "1.2 s.4 5 6.7 8 9"; Scanner scanner=newScanner(str);//token以.分割scanner.useDelimiter("\\.");while(scanner.hasNext()){ System.out.println(scanner.next()); } } } The main use of java.util.Scanneristo read values from System.in or a file. Many Scanner methods fit ...
public class ScannerMethods { public static void main(String[] args) { //scannerNext(); //scannerNextLine(); scannerHasNextIntTest(); //scannerSumAndAve(); } /** * next 方式: * sout su * 输入的数据为: sout */ public static void scannerNext(){ Scanner input = new Scanner(System.in...
These methods will attempt to match the specified pattern with no regard to delimiters in the input and thus can be used in special circumstances where delimiters are not relevant. These methods may block waiting for more input. When a scanner throws an InputMismatchException, the scanner will...
util.Scanner; // Import the Scanner class to read text files public class ReadFile { public static void main(String[] args) { try { File myObj = new File("filename.txt"); Scanner myReader = new Scanner(myObj); while (myReader.hasNextLine()) { String data = myReader.nextLine();...
Methods in java.util that return Scanner Modifier and Type Method Description Scanner Scanner.reset() Resets this scanner. Scanner Scanner.skip(String pattern) Skips input that matches a pattern constructed from the specified string. Scanner Scanner.skip(Pattern pattern) Skips input that matches the ...
|---java.util.Scanner public final class Scanner extends Object implements Iterator<String>, Closeable A simple text scanner which can parse primitive types and strings using regular expressions. A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace....
Namespace: Java.Util Assembly: Mono.Android.dll A simple text scanner which can parse primitive types and strings using regular expressions.C# 複製 [Android.Runtime.Register("java/util/Scanner", DoNotGenerateAcw=true)] public sealed class Scanner : Java.Lang.Object, IDisposable, Java.Interop...
AScannerbreaks its input into tokens using a delimiter pattern, which by default matches whitespace. The resulting tokens may then be converted into values of different types using the variousnextmethods. For example, this code allows a user to read a number fromSystem.in: ...
importjava.util.Scanner;publicclassTestFile{staticScanner inp =newScanner(System.in);publicstaticvoidmain(String[] args){// long inpu = inp.NextLong();Long inpu = inp.nextLong();// String input = Long.valueOf(inp);String input = String.valueOf(inpu);System.out.println(input);}} ...
Util Assembly: Mono.Android.dll Overloads Proširi tabelu Scanner(File) Constructs a new Scanner that produces values scanned from the specified file. Scanner(IReadable) Constructs a new Scanner that produces values scanned from the specified source. Scanner(IReadableByteChannel) Constructs...